ContextErrorException Warning: Declaration of Cart::getOrderTotal

[Designinfo.in]

Prestashop 1.7.7
When i switch on debug mode and load any product page, I receive the error as per the attached image:

(1/1) ContextErrorException
Warning: Declaration of Cart::getOrderTotal($withTaxes = true, $type = self::BOTH, $products = NULL, $id_carrier = NULL, $use_cache = true) should be compatible with CartCore::getOrderTotal($withTaxes = true, $type = Cart::BOTH, $products = NULL, $id_carrier = NULL, $use_cache = false, bool $keepOrderPrices = false)

All the pages load normally, however it is a bit slower than Prestashop v1.7.5 from which I recently upgraded with no upgradation errors. Also the MySQL usage shoots upto 200%.

I have no overrides. Using a Zone Theme. No cache modules being used.

[JBW]

14 minutes ago, Designinfo.in said:

I have no overrides.

Look at your error message again - you have an override in /override/classes/Cart.php that is not compatible to your Prestashop version

[kolmen]

i have the same problem how fix it?

What exactly should be corrected?

[ronaldolivo]

I have the same problem.
I would really appreciate it if you tell me you tweaked to fix it.

[fjratelier]

Hello,

we have also the same problem. Have you found a solution? Thanks.

[kolmen]

should be like in warning

so need to add "bool $keepOrderPrices = false" in override file

[ronaldolivo]

Hi, for people looking for a solution to this problem, the latest versions of prestashop are not using the file cart.php and you can rename the file to cart_OLD.php and the error will disappear.

I hope this saves someone time.

[gray]

I have the same problem, and I am using ps 1.7.7.5 and 1.7.7.6

I have renamed /override/classes/Cart.php

But I now get another error. Any ideas please.

[JBW]

11 hours ago, gray said:

But I now get another error. Any ideas please.

 

You have more overrides, see details in the error message (classes/Product.php). Better deinstall the module that installed this overrides to avoid further issues.

[Anawim]

In "/override/classes/CartRule.php" around line 40, you can add the parameter "$useOrderPrices" to be compatible with the parent method in class CartRuleCore.

Replace this line

public function checkValidity(Context $context, $alreadyInCart = false, $display_error = true, $check_carrier = true)

with

public function checkValidity(Context $context, $alreadyInCart = false, $display_error = true, $check_carrier = true, $useOrderPrices = false)

Hope it does help, but i think the error will happen again after each PrestaShop update.